Similar to OpenVPN
WireGuard
WireGuard
Claws Mail
Claws Mail
Hashcat
Hashcat
OpenSSH
OpenSSH
OpenSSL
OpenSSLOpenswan
Openswan
Stunnel
Stunnel
Tor
Tor (network)
Virtual private network
Virtual private networkIPsec
IPsec
Clam AntiVirus
ClamAV
Firewalld
FirewalldIpfirewall
Ipfirewall
Iptables
Iptables
CUPS
CUPSEmacs
EmacsFIGlet
FIGletFile System Visualizer
File System Visualizer
Fontconfig
Fontconfig
GNU Core Utilities
GNU Core Utilities
GNU Emacs
GNU EmacsBotan
Botan (programming library)Dropbear
Dropbear (software)Enigmail
EnigmailFileCapsule Slate
FireWall-1
Check Point VPN-1
GNU Privacy Guard
GNU Privacy Guard
GNUnet
GNUnet
